Håkon V of Norway was a king who ruled from 1299 until his death in 1319. He was the son of Magnus Lagabøte and became the first king of Norway to reside primarily in Oslo. Håkon V is known for strengthening the monarchy and promoting trade and commerce in Norway. During his reign, Håkon V worked to consolidate power and improve the kingdom's defenses. He also initiated the construction of Akershus Fortress, which served as a royal residence and military stronghold. His efforts laid the groundwork for a more centralized and organized Norwegian state.